Answer:
1. Metaphase II - Chromosomes are lined up by spindle fibers.
2. Telophase II - Nuclear envelope forms around each set of DNA.
3. Anaphase II - Sister chromatids are pulled apart.
4. Prophase II - Centromeres move toward the poles of the cell
Explanation:
In my opinion, humans have influenced climate change because it has been shown that deforestation, industrial activities and urbanization increase the level of greenhouse gases.
<h3>What is global warming?</h3>
The expression global warming makes reference to the sudden increase in temperatures around the world after the industrial revolution.
In this regard, it has been shown that greenhouse gases such as CO2 can increase global warming and human activities may be associated with this process.
In conclusion, in my opinion, humans have influenced climate change because it has been shown that deforestation, industrial activities and urbanization increase the level of greenhouse gases.
Learn more about global warming here:
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Answer:
B
Explanation:
In fact, mRNA's bases are directly copied from DNA. However mRNA's bases are complimentary to DNA's .!
Just like plants on land, ocean-going plankton need light from the sun to prosper and grow. But light is absorbed by ocean water, and some colors of light are absorbed more readily than others.That's why nearly all photosynthesis in the ocean takes place in the sunlit upper layers.
Answer:
Ralph is looking at a vein (likely a muscular vein).
Explanation:
Of all three great types of vessel present in vertebrates (arterial, venous, lymphatic), only veins and lymphatic vessels may normally contain valves. This is an essential feature of vessels which present low pressure flow, since it ensures that such flow is unidirectional.
Since blood cells are not typically found in lymphatic vessels, the vessel in question can be assumed to be a vein.
